Runner's World wear-tests and reviews the latest shoes to help you find the perfect fit.

WE SAY: This bold debut supplies a lot of oomph per ounce, thanks to a feather-light foam compound in the midsole. RW Shoe Lab tests show that it has a great combination of cushioning and flexibility that many of our testers said was ideal for high-mileage workouts and moderate paces. Our speedier testers found the heel a bit too high for track work. Its minimal design eschews the heavy overlays and structure to keep your foot locked in place. Recommended as a go-to marathon-training shoe.